Merge pull request #182 from anholt/issue-181

Define _GNU_SOURCE for strdup()

test/egl_epoxy_api.c

@@ -27,6 +27,7 @@
  * Tests the Epoxy API using EGL.
  */
 
+#define _GNU_SOURCE
 #include <stdio.h>
 #include <string.h>
 #include <stdlib.h>

test/egl_has_extension_nocontext.c

@@ -28,6 +28,7 @@
  * no context bound would fail out in dispatch.
  */
 
+#define _GNU_SOURCE
 #include <stdio.h>
 #include <string.h>
 #include <stdlib.h>